<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>表单</title>
</head>

<body>
  <form action="/login" method="post">
    用户名: <input type="text" name="user"><br>
    密码: <input type="password" name="password"><br>
    <input type="submit" value="提交">
  </form>
</body>

</html>